CIVITAVECCHIA, ITALY

Average Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61.3		49.9		50.5		52.8		56.6		63.1		69		74.1		74.8		71.1		64.9		57.3		51.8

Average High Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66.7		55		55.6		58.3		62.1		68.5		74.5		79.7		80.6		76.8		70.5		62.6		57

Average Low Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55.9		44.8		45.3		47.3		51.1		57.7		63.5		68.5		68.9		65.3		59.4		52		46.6

Highest Recorded Temperature

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		88		63		64		64		66		76		84		88		86		82		79		70		64

Lowest Recorded Temperature

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		32		34		34		32		43		48		55		57		63		57		32		37		34

Average Number of Days Above 80F/26C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79.5		---		---		---		---		1.2		8.4		25.5		27.5		15.2		1.7		---		---

Average Number of Days Above 65F/18C

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		158		---		---		---		---		16		28		30		31		29		20		3		---

Average Number of Days Below 32F/0C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		0.6		0.2		0.3		---		---		---		---		---		---		---		---		0.2

Average Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		26.1		3.7		2.8		2		2.1		1.6		0.7		0.4		1		2.2		3.3		3.5		2.8

Average Number of Days With Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.8		8.6		7.7		7.2		6.4		3.8		2.6		1.2		2.4		3.6		6.2		8.4		7.7

Most Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		9.9		7.4		5.8		5		7.1		4		2.5		2.4		3.3		8.4		7.3		9.9		5.4

Least Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		0.1		0.2		0.4		---		---		---		---		---		---		0.2		0.2

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.9		3.1		2.8		1.5		1.8		1.1		0.5		0.3		1		1.7		2.7		3		2.4

Average Number of Rainy Days

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		186		22		20		19		21		15		11		4		9		10		15		19		21

Average Number of Days With Thunderstorms

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		2		3		3		3		2		3		1		5		5		4		5		4

Average Number of Days With Snow

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		1		---		---		---		---		---		---		---		---		---		---		---

Average Relative Humidity

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72.8		72		72		72		74		74		74		72		73		72		74		73		72

Average Morning Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		76		---		---		80		---		80		73		77		77		80		79		73

Average Evening Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69		65		---		---		---		---		75		71		66		69		70		69		63

Heating Degree Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2210		468.1		411		378.2		252		58.9		---		---		---		---		1.6		231		409.2

Cooling Degree Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		885.9		---		---		---		---		---		120		282.1		302.3		181.5		---		---		---

Growing Degree Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4157.8		---		12.7		86.8		198		406.1		570		747.1		767.3		631.5		463.5		219		55.8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.1		12.4		13.9		15.1		15.8		15.4		14.3		12.9		11.5		10.3		9.7

Average Number of Days With Fog

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		139		7		8		11		10		14		16		19		17		15		10		5		7

Average No. of Days With Vision Obstruction

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		140		7		8		11		11		14		16		19		17		15		10		5		7

Average Wind Speed

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		9		9		9		9		8		12		10		11		10		6		8		8		8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		1.8		2.7		3.9		4.6		5.8		6.5		6.9		6		4.5		2.9		1.8		1.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.7		1		1.4		1.9		2.2		2.3		2		1.8		1.5		1.1		0.8		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		3.2		4		4.8		4.7		5.3		5.7		6.1		5.9		5.2		4		3		2.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		3.3		4.2		4.9		4.6		5.7		6.6		7.7		6.9		5.5		4		3		2.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		1.8		2.7		3.9		4.6		5.8		6.5		6.9		6		4.5		2.9		1.8		1.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		1.1		1.5		2		2.4		2.5		2.3		2.1		1.6		1.2		0.8		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		4		5.7		6		5.5		6.1		6.1		6.6		6.7		6.1		5.4		3.6		4.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		4.4		6.8		6.9		6		7.5		7.6		8.9		8.5		7.2		6		3.8		5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.4		1.9		3.1		3.8		4.6		5.6		6.1		5		4.1		2.3		1.5		1.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.7		0.7		1.2		1.8		2		2.1		1.8		1.5		1.3		1		0.8		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		2.2		2.5		3.6		3.8		4.3		4.9		5.4		4.9		4.6		3		2.1		1.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		2.1		2.2		3.2		3.1		3.6		4.9		6		4.8		4.5		2.6		1.9		1.5